Jump in now or wait?

Very close to purchasing a Benchmark DAC1 usb to use pc as sole source. Music is saved in apple lossless w/error correction in Itunes. Is it worth buying now (will need to buy new as these units seem to be rarely available used) or is the pace of technology changing/new products coming to market such that I should wait 6 months or so? Have to believe a number of fellow agoners are wrestling with this same issue.

Relatedly, is the DAC1 going to get me sonically where a nice CD player would (thinking of used Ayre CX-7e).

Thanks for any input.